81897585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 178827264

約数和(自身を除く): 96929679

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 43, 51, 55, 77, 85, 97, 105, 119, 129, 165, 187, 215, 231, 255, 291, 301, 357, 385, 473, 485, 561, 595, 645, 679, 731, 903, 935, 1067, 1155, 1309, 1419, 1455, 1505, 1649, 1785, 2037, 2193, 2365, 2805, 3201, 3311, 3395, 3655, 3927, 4171, 4515, 4947, 5117, 5335, 6545, 7095, 7469, 8041, 8245, 9933, 10185, 10965, 11543, 12513, 15351, 16005, 16555, 18139, 19635, 20855, 22407, 24123, 24735, 25585, 29197, 34629, 37345, 40205, 45881, 49665, 54417, 56287, 57715, 62565, 70907, 76755, 87591, 90695, 112035, 120615, 126973, 137643, 145985, 168861, 173145, 212721, 229405, 272085, 281435, 321167, 354535, 380919, 437955, 496349, 634865, 688215, 779977, 844305, 963501, 1063605, 1489047, 1605835, 1904595, 2339931, 2481745, 3899885, 4817505, 5459839, 7445235, 11699655, 16379517, 27299195, 81897585]

約数ペア:

[(1, 81897585), (3, 27299195), (5, 16379517), (7, 11699655), (11, 7445235), (15, 5459839), (17, 4817505), (21, 3899885), (33, 2481745), (35, 2339931), (43, 1904595), (51, 1605835), (55, 1489047), (77, 1063605), (85, 963501), (97, 844305), (105, 779977), (119, 688215), (129, 634865), (165, 496349), (187, 437955), (215, 380919), (231, 354535), (255, 321167), (291, 281435), (301, 272085), (357, 229405), (385, 212721), (473, 173145), (485, 168861), (561, 145985), (595, 137643), (645, 126973), (679, 120615), (731, 112035), (903, 90695), (935, 87591), (1067, 76755), (1155, 70907), (1309, 62565), (1419, 57715), (1455, 56287), (1505, 54417), (1649, 49665), (1785, 45881), (2037, 40205), (2193, 37345), (2365, 34629), (2805, 29197), (3201, 25585), (3311, 24735), (3395, 24123), (3655, 22407), (3927, 20855), (4171, 19635), (4515, 18139), (4947, 16555), (5117, 16005), (5335, 15351), (6545, 12513), (7095, 11543), (7469, 10965), (8041, 10185), (8245, 9933)]